cack

1. (of a bird) To squawk.Examples: "Still fluffy with down, she often attacks the other birds, cacking and flashing her wings, or threatens me as I watch through the tiny peephole of the near box."; "2000, Minnesota Ornithologists′ Union, The Loon, Volumes 72-74, page 37, While the Gyrfalcon cacked loudly on each stoop, the owl did not scream."; "Peckle snitted them off and cacked at them. Then he flew up by the rope-tie spot and puffed out his chest and then the wrens made another dash for the scraps and he dove down and cacked them away."

2. (brass instrument technique) To incorrectly play a note by hitting a partial other than the one intended.Examples: "The bugler hopes not to cack during his performance."

1. (intransitive) To defecate.Examples: "Can't cack... won't cack, My bum hole has gone on strike, I've huffed and puffed, grunted and groaned, And squeezed as hard as I liked, I've leant myself backwards, leant to the front, Raised my knees and then put them back, I've gripped the seat and pushed like hell, But still...I can't have a cack."intransitive

2. (transitive) To defecate (on); to shit.Examples: "‘I asked him once if he got nervous before doing it,’ says Astin, ‘and he said he was absolutely cacking himself before going on stage, but as soon as he got there it was fantastic.’"; "[…] through the open door, now directly below his feet, and nearly cacked his breeks when the stretcher skidded slightly on the shiny metal floor."; "Another distinction she reported: my brother once cacked his pants and responded with the words, "It will never happen again" – and it didn't, […]"Synonyms: defecatetransitive

3. (transitive) To excrete (something) by defecation.Examples: "He smelled the ferrous oxide of blood and the farmyard stench of shit. He'd cacked it. He was empty and he'd cacked his load. The brushman came over, lisping slightly[…]"transitive

4. (US, slang) To kill.Examples: "He tried to shoot me, so I cacked him."; "Stay, by your leave I will put in a distinguo; your goose has cacked."Synonyms: killUSslang

1. (slang) Excrement.Examples: "I dive back in along the cobbles, step over the cack, wall an fence closin me down, barbed wire left, razor wire right, follow by puttied-in broken glass, spike rails an stuck-on warnings about dogs."; "" And have bird cack on their heads , " Jacques agreed cheerfully, to Ash's relief."Synonyms: cacacountableslanguncountable

2. (slang) Rubbish; anything worthless.Examples: "'See that' said the man, pointing with his fork at a trace of soemthing on the rim, 'that's not been washed properly. That's a bit of old cack on there.'"; "At first, he genuinely didn't recognize her without all that high-gloss cack on her face."; "Not thinking, because he's got it in his hand, he wipes her mouth with the dirty dishcloth – leaves a little bit of cack on her lips, but she doesn't notice ."countableslanguncountable

1. (Australian slang) To laugh.Examples: "I had to cack when you fell down the stairs."Australianslang

1. (slang) Penis.slanguncountable